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. 2011 Aug 27;89(3):887–917. doi: 10.1007/s11192-011-0484-9

Table 12.

Robustness check: the determinants of inefficiency scores—alternative truncation points

Model 1: truncation point: 1.0 Model 2: truncation point: 0.99
Variables (1) Bias-adjusted coefficients 95% Bootstrap confidence intervals (2) Bias-adjusted coefficients 95% Bootstrap confidence intervals
Low High Low High
GDPn,t 0.0001 −0.00062 0.00072 0.0001 −0.00062 0.00065
nofaci,t −0.0085*** −0.01482 −0.00244 −0.0077*** −0.01410 −0.00097
medi −0.1000*** −0.15820 −0.04766 −0.1264*** −0.17989 −0.06450
yearfoundi 0.0008*** 0.00058 0.00098 0.0008*** 0.00054 0.00097
Rev_corei,t 0.0106*** 0.00740 0.01333 0.0129*** 0.00947 0.01527
Womeni,t −0.0032*** −0.00552 −0.00083 −0.0031*** −0.00531 −0.00064
Obs 896 919

* Value of zero does not fall within 90% confidence interval, ** Value of zero does not fall within 95% confidence interval, *** Value of zero does not fall within 99% confidence interval. Confidence intervals obtained from 1000 bootstraping interactions

Constants are not reported. Year and country dummies included in all models

Source Own calculations